수업소개
페이지 수정 기능을 Express 버전으로 전환해봅시다.
강의
소스코드
main.js
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | var express = require('express')var app = express()var fs = require('fs');var path = require('path');var qs = require('querystring');var sanitizeHtml = require('sanitize-html');var template = require('./lib/template.js');//route, routing//app.get('/', (req, res) => res.send('Hello World!'))app.get('/', function(request, response) { fs.readdir('./data', function(error, filelist){ var title = 'Welcome'; var description = 'Hello, Node.js'; var list = template.list(filelist); var html = template.HTML(title, list, `<h2>${title}</h2>${description}`, `<a href="/create">create</a>` ); response.send(html); });});app.get('/page/:pageId', function(request, response) { fs.readdir('./data', function(error, filelist){ var filteredId = path.parse(request.params.pageId).base; fs.readFile(`data/${filteredId}`, 'utf8', function(err, description){ var title = request.params.pageId; var sanitizedTitle = sanitizeHtml(title); var sanitizedDescription = sanitizeHtml(description, { allowedTags:['h1'] }); var list = template.list(filelist); var html = template.HTML(sanitizedTitle, list, `<h2>${sanitizedTitle}</h2>${sanitizedDescription}`, ` <a href="/create">create</a> <a href="/update/${sanitizedTitle}">update</a> <form action="delete_process" method="post"> <input type="hidden" name="id" value="${sanitizedTitle}"> <input type="submit" value="delete"> </form>` ); response.send(html); }); });});app.get('/create', function(request, response){ fs.readdir('./data', function(error, filelist){ var title = 'WEB - create'; var list = template.list(filelist); var html = template.HTML(title, list, ` <form action="/create_process" method="post"> <p><input type="text" name="title" placeholder="title"></p> <p> <textarea name="description" placeholder="description"></textarea> </p> <p> <input type="submit"> </p> </form> `, ''); response.send(html); });});app.post('/create_process', function(request, response){ var body = ''; request.on('data', function(data){ body = body + data; }); request.on('end', function(){ var post = qs.parse(body); var title = post.title; var description = post.description; fs.writeFile(`data/${title}`, description, 'utf8', function(err){ response.writeHead(302, {Location: `/?id=${title}`}); response.end(); }) });});app.get('/update/:pageId', function(request, response){ fs.readdir('./data', function(error, filelist){ var filteredId = path.parse(request.params.pageId).base; fs.readFile(`data/${filteredId}`, 'utf8', function(err, description){ var title = request.params.pageId; var list = template.list(filelist); var html = template.HTML(title, list, ` <form action="/update_process" method="post"> <input type="hidden" name="id" value="${title}"> <p><input type="text" name="title" placeholder="title" value="${title}"></p> <p> <textarea name="description" placeholder="description">${description}</textarea> </p> <p> <input type="submit"> </p> </form> `, `<a href="/create">create</a> <a href="/update?id=${title}">update</a>` ); //위의 코드에서 /update?id=${title} 부분은 /update/${title}로 수정 되어야 하는 버그입니다. response.send(html); }); });});app.post('/update_process', function(request, response){ var body = ''; request.on('data', function(data){ body = body + data; }); request.on('end', function(){ var post = qs.parse(body); var id = post.id; var title = post.title; var description = post.description; fs.rename(`data/${id}`, `data/${title}`, function(error){ fs.writeFile(`data/${title}`, description, 'utf8', function(err){ response.writeHead(302, {Location: `/?id=${title}`}); response.end(); }) }); });});app.listen(3000, function() { console.log('Example app listening on port 3000!')}); |
